a:7:{i:0;s:2:"id";i:1;s:3:"url";i:2;s:5:"short";i:3;s:6:"status";i:4;s:11:"create_time";s:3:"_pk";s:2:"id";s:5:"_type";a:5:{s:2:"id";s:16:"int(11) unsigned";s:3:"url";s:9:"char(255)";s:5:"short";s:9:"char(100)";s:6:"status";s:10:"tinyint(2)";s:11:"create_time";s:16:"int(10) unsigned";}}